Equivalent & Substitute Parts for ERJ-S03F73R2V

Part Overview

The ERJ-S03F73R2V is a 73.2 Ohm ±1% thick film chip resistor manufactured by Panasonic Electronic Components in 0603 (1608 Metric) package format with 0.1W power rating. This component is rated for automotive applications under AEC-Q200 standard with anti-sulfur properties and operates across -55°C to 155°C temperature range. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified for applications requiring equivalent electrical performance, alternative sourcing, or specific compliance requirements.

Substiute Parts

ERJ-S03F73R2V

Panasonic Electronic ComponentsIn Stock: 786ERJ-S03F73R2V Datasheet

Current PartRFQ

ERJ-3EKF73R2V

Panasonic Electronic ComponentsIn Stock: 73459ERJ-3EKF73R2V Datasheet

SimilarRFQ

CRCW060373R2FKEA

Vishay DaleIn Stock: 31464CRCW060373R2FKEA Datasheet

SimilarRFQ

CRCW060373R2FKTA

Vishay DaleIn Stock: 5884CRCW060373R2FKTA Datasheet

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RC0603FR-0773R2L

YAGEOIn Stock: 63785RC0603FR-0773R2L Datasheet

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RMCF0603FT73R2

Stackpole Electronics IncIn Stock: 23981RMCF0603FT73R2 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F73R2V is determined by strict equivalence across the following parameters: resistance value (73.2 Ohms), tolerance (±1%), power rating (0.1W), package format (0603 / 1608 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and termination count (2). All identified substitute parts match these core electrical and mechanical specifications. Compliance certifications (RoHS, REACH, AEC-Q200) and dimensional tolerances are secondary factors that may influence selection based on application requirements but do not disqualify substitution at the functional level.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, ERJ-3EKF73R2V (Panasonic), CRCW060373R2FKEA (Vishay Dale), and RMCF0603FT73R2 (Stackpole Electronics) are qualified alternatives with ROHS3 compliance. The ERJ-3EKF73R2V offers the highest inventory availability at 73,406 pieces. RC0603FR-0773R2L (YAGEO) provides equivalent electrical performance and ROHS3 compliance but lacks AEC-Q200 rating and is suitable for non-automotive applications. CRCW060373R2FKTA (Vishay Dale) is electrically equivalent but carries RoHS non-compliance and REACH-affected status, limiting use in regulated markets. Selection should prioritize compliance requirements and application environment specifications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF73R2V directly replace ERJ-S03F73R2V in automotive circuits? A: Yes. Both parts share identical electrical specifications (73.2 Ω ±1%, 0.1W, 0603 package), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and AEC-Q200 automotive qualification. The primary difference is series designation (ERJ-3EK vs. ERJ-S03) and significantly higher inventory availability for ERJ-3EKF73R2V.

Q: What is the difference between CRCW060373R2FKEA and CRCW060373R2FKTA? A: Both are Vishay Dale 73.2 Ω ±1% 0603 resistors with identical electrical performance. CRCW060373R2FKEA is ROHS3 compliant and REACH unaffected. CRCW060373R2FKTA is RoHS non-compliant and REACH affected, restricting use in regulated applications. CRCW060373R2FKEA is the preferred choice for new designs.

Q: Is RC0603FR-0773R2L suitable for automotive applications? A: RC0603FR-0773R2L meets all electrical requirements (73.2 Ω ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C to 155°C) and is ROHS3 compliant. However, it lacks AEC-Q200 automotive qualification. Use is restricted to non-automotive or non-critical applications unless automotive qualification is not required by design specifications.

Q: Are there dimensional differences between substitute parts? A: Minor dimensional variations exist within 0603 package tolerance. ERJ-S03F73R2V, ERJ-3EKF73R2V, and RC0603FR-0773R2L measure 0.063" L × 0.031" W (1.60mm × 0.80mm). CRCW060373R2FKEA measures 0.061" L × 0.033" W (1.55mm × 0.85mm). CRCW060373R2FKTA measures 0.063" L × 0.033" W (1.60mm × 0.85mm). RMCF0603FT73R2 measures 0.061" L × 0.031" W (1.55mm × 0.80mm). All variations remain within standard 0603 package specifications and do not affect PCB footprint compatibility.

Q: Which substitute offers the best inventory availability? A: ERJ-3EKF73R2V (Panasonic) provides the highest inventory at 73,406 pieces, followed by RC0603FR-0773R2L (YAGEO) at 63,727 pieces and CRCW060373R2FKEA (Vishay Dale) at 31,412 pieces.